US Farmers Use Tree from India to Produce Proteins, Biofuel

American farmers are using an ancient tree from India to produce beans that can be used to make protein-rich foods and biofuels. The tree, called pongamia, is native to India, Southeast Asia and Australia. But it is now being used in Florida to replace some failed citrus crops.

Source : https://learningenglish.voanews.com/a/us-farmers-use-tree-from-india-to-produce-proteins-biofuel/7689794.html